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A responsive website is one that changes its layout to match the device or screen size being used, such as a smartphone or a laptop. A mobile-friendly website is one that is designed to be used on mobile devices, such as smartphones and tablets.
A website is a collection of webpages that are accessible via the internet. An application is a program that runs on a computer and provides a specific service or function, such as a software application or a mobile app.
A website's domain name is the unique name that is associated with it. It is usually registered with a registrar such as GoDaddy.com
A website's hosting is the physical or virtual location where the website is stored. The website's hosting company provides the website's hosting, which includes the website's domain name, server, and bandwidth.
Yes!,
However, there are some costs not associated to web development which are not under my control, such as: Domain Names, in some cases Web hosting can be 100% free but domains are not.